This brief tutorial explains how the “Wiegand effect” can be used as a reliable, low-cost, energy-harvesting system to power ...

You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...

Decommissioned parking meter painted baby pink and turned into a Raspberry Pi Zero jukebox. RFID credit-style cards queue ...

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...

For around $25, the Neoteck TS20D is a fully-featured, well-made, and decently accurate tool that will handle most multimeter-related tasks. It's small enough to drop into a pocket or toolbox, durable ...

The SP5 is a pretty capable desktop nearfield, and its input flexibility and control options give it very broad appeal. It’s not cheap, however, and faces some stiff competition from a number of more ...

A simple software method to increase the duty-cycle resolution in a digital pulse width modulation (DPWM)-controlled power ...

The way you endorse a check depends on how you want to use the check Kiara Taylor has worked as a financial analyst for more than a decade. Her career has involved a number of financial firms, ...

As of December 2025, there is no approved fourth federal stimulus check. Former President Donald Trump has proposed a new round of payments, but this has not been approved by Congress. Arizona has ...

The Reliability Monitor shows system errors, warnings, and informational and critical events that can help you troubleshoot your Windows PC.

A couple weeks ago, a one-time check for $90 from the Social Security Administration showed up in my checking account. I wasn’t totally sure what that was all about, but I had a pretty good idea.

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...